L-硒代蛋氨酸 [硒-L-蛋氨酸],Seleno-L-methionine [SeMet];certified reference material, pharmaceutical secondary standard
最近浏览商品
-
高氯酸镁水合物,Magnesium perchlorate hydrate;[about 83% Mg(ClO₄)₂], desiccant, about 1-4 mm -
转化酶来源于产朊假丝酵母,Invertase from Candida utilis;Grade X, ≥300 units/mg solid -
N-(2,6-二甲基苯基)氯乙酰胺 [利多卡因杂质H],N-(2,6-Dimethylphenyl)chloroacetamide;99% -
N-(2,6-二氯苯基)-2-吲哚酮 [吲哚酮],N-(2,6-Dichlorophenyl)-2-indolinone;analytical standard, ≥98.0% (HPLC) -
乙酰乙酸乙酯-1,2,3,4-13C4,Ethyl acetoacetate-1,2,3,4-13C4;99 atom % 13C, 99% (CP) -
苏丹红G,Sudan red G;reagent for Ph. Eur.
